package mwa.cs.service;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
import java.util.Map;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import mwa.cs.dao.CustomerClassDAO;
import mwa.cs.dao.MeterSizeDAO;
import mwa.cs.database.Database;

import org.json.simple.JSONArray;
import org.json.simple.JSONObject;

/**
 * Servlet implementation class CustomerClassComponentAPISrvl
 */
public class CustomerClassComponentAPISrvl extends HttpServlet {
	private static final long serialVersionUID = 1L;
	private Database db;
	
    /**
     * @see HttpServlet#HttpServlet()
     */
    public CustomerClassComponentAPISrvl() {
        super();
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		request.setCharacterEncoding("UTF-8");
		response.setCharacterEncoding("UTF-8");
		response.setContentType("text/JSON");

		String[] vaMessage = null, vaValue = null;
		this.db = new Database();
		
		CustomerClassDAO voCustomerClass  = new CustomerClassDAO(db);
		List<Map<String, Object>> voResult = voCustomerClass.findAll();
		vaValue = new String[voResult.size()];
		vaMessage = new String[voResult.size()];
		for (int i = 0; i < voResult.size(); i++) {
			Map<String, Object> voObject = voResult.get(i);
			vaValue[i] = (String) voObject.get("CODE");
			vaMessage[i] = (String) voObject.get("DESCRIPTION");
		}

		JSONObject voObject = new JSONObject();
		JSONArray voList = new JSONArray();
		PrintWriter voOut = response.getWriter();
		if (vaMessage != null) {
			for (int i = 0; i < vaMessage.length; i++) {
				voList.add(vaMessage[i]);
			}
		}
		voObject.put("messages", voList);
		JSONArray voList2 = new JSONArray();
		if (vaValue != null) {
			for (int i = 0; i < vaValue.length; i++) {
				voList2.add(vaValue[i]);
			}
		}

		voObject.put("values", voList2);
		voOut.print(voObject.toJSONString());
		
		this.db.close();
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
	
	}

}
